#2 From ACF to absorption spectrum

[Anonymous]

Originally created by: bsch63
Originally owned by: bsch63

During TDSE (and QCMD) propagations we are calculating autocorrelation functions (ACFs) which are good for two purposes:

• Comparison with WavePacket (Matlab/Octave), but only for N not large
• Calculate absorption spectrum as (power) Fourier transform of ACF